环(3-1)-1-(羧甲基)脯氨酰-苯丙氨酰-组胺酰胺

Nα-(tert-butyloxycarbonyl)-Nim-tosyl-L-histidine benzyl ester

Nα-(tert-butyloxycarbonyl)-L-prolyl-L-phenylalanyl-Nim-((tert-butyloxycarbonyl)methyl)-L-histidine benzyl ester

(8S,11S,14S)-11-Benzyl-3,9,12-trioxo-1,4,10,13,17-pentaaza-tricyclo[14.2.1.04,8]nonadeca-16(19),17-diene-14-carboxylic acid benzyl ester

(S)-2-Amino-3-[1-(toluene-4-sulfonyl)-1H-imidazol-4-yl]-propionic acid benzyl ester

1-[叔丁氧羰基]-L-脯氨酰-L-苯丙氨酸

L-prolyl-L-phenylalanyl-Nim-(carboxymethyl)-L-histidine benzyl ester trifluoroacetate

Nα-(tert-butyloxycarbonyl)-L-prolyl-L-phenylalanyl-L-histidine benzyl ester

Nα-(tert-butyloxycarbonyl)-L-prolyl-L-phenylalanyl-Nim-tosyl-L-histidine benzyl ester